When trying to use the office365 administrative portal to download an add-in for our organization, we encountered the following problem: At the last step of the dialog, an error message appears that reads as follows:
When I open devtools, I see that the reject request contains the following error message: "FailedWriteToExchange". This is strange since loading the Contoso Citations add-on maninfest works fine.
manifests will work correctly if it is loaded into Word Desktop (office365) and all XSD checks pass.
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